surgical operation, surgical procedure, surgical process, surgery, operation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; they will schedule the operation as soon as an operating room is available; he died while undergoing surgery.
A quarter mile is, by definition, a fourth of a mile. It is 1,320 feet or 402.3 meters. On a standard-sized Olympic track, it is a little more than a single lap.
There are 1609.344 meter in a mile. 1 Mile is equal to 1609.344 Meter. 1 mi = 1609.344 m. One of the oldest known units of distance and length used in the US and the Imperial systems, a mile is equal to 1,760 yards or 5,280 feet. In contrast to inches or yards, miles can be considered the most internationally recognized and used unit of distance.